LLVM  14.0.0git
SystemZTargetMachine.h
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1 //=- SystemZTargetMachine.h - Define TargetMachine for SystemZ ----*- C++ -*-=//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file declares the SystemZ specific subclass of TargetMachine.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 
14 #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
15 #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
16 
17 #include "SystemZSubtarget.h"
18 #include "llvm/ADT/Optional.h"
19 #include "llvm/ADT/StringRef.h"
21 #include "llvm/Support/CodeGen.h"
23 #include <memory>
24 
25 namespace llvm {
26 
28  std::unique_ptr<TargetLoweringObjectFile> TLOF;
29 
30  mutable StringMap<std::unique_ptr<SystemZSubtarget>> SubtargetMap;
31 
32 public:
33  SystemZTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
36  CodeGenOpt::Level OL, bool JIT);
37  ~SystemZTargetMachine() override;
38 
39  const SystemZSubtarget *getSubtargetImpl(const Function &) const override;
40  // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,
41  // subtargets are per-function entities based on the target-specific
42  // attributes of each function.
43  const SystemZSubtarget *getSubtargetImpl() const = delete;
44 
45  // Override LLVMTargetMachine
48 
50  return TLOF.get();
51  }
52 
53  bool targetSchedulesPostRAScheduling() const override { return true; };
54 };
55 
56 } // end namespace llvm
57 
58 #endif // LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
llvm::SystemZTargetMachine::getObjFileLowering
TargetLoweringObjectFile * getObjFileLowering() const override
Definition: SystemZTargetMachine.h:49
llvm
This file implements support for optimizing divisions by a constant.
Definition: AllocatorList.h:23
Optional.h
llvm::TargetOptions
Definition: TargetOptions.h:124
llvm::Function
Definition: Function.h:62
StringRef.h
llvm::Target
Target - Wrapper for Target specific information.
Definition: TargetRegistry.h:137
llvm::TargetTransformInfo
This pass provides access to the codegen interfaces that are needed for IR-level transformations.
Definition: TargetTransformInfo.h:168
llvm::Triple
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:45
llvm::TargetMachine::RM
Reloc::Model RM
Definition: TargetMachine.h:102
llvm::Optional< Reloc::Model >
T
#define T
Definition: Mips16ISelLowering.cpp:341
llvm::SystemZTargetMachine::~SystemZTargetMachine
~SystemZTargetMachine() override
F
#define F(x, y, z)
Definition: MD5.cpp:56
llvm::TargetLoweringObjectFile
Definition: TargetLoweringObjectFile.h:44
TargetMachine.h
llvm::X86AS::FS
@ FS
Definition: X86.h:188
llvm::SystemZTargetMachine::getTargetTransformInfo
TargetTransformInfo getTargetTransformInfo(const Function &F) override
Get a TargetTransformInfo implementation for the target.
Definition: SystemZTargetMachine.cpp:329
llvm::StringMap
StringMap - This is an unconventional map that is specialized for handling keys that are "strings",...
Definition: StringMap.h:108
llvm::TargetPassConfig
Target-Independent Code Generator Pass Configuration Options.
Definition: TargetPassConfig.h:84
llvm::EngineKind::JIT
@ JIT
Definition: ExecutionEngine.h:524
llvm::SystemZTargetMachine
Definition: SystemZTargetMachine.h:27
llvm::TargetMachine::Options
TargetOptions Options
Definition: TargetMachine.h:120
llvm::SystemZTargetMachine::getSubtargetImpl
const SystemZSubtarget * getSubtargetImpl() const =delete
llvm::SystemZSubtarget
Definition: SystemZSubtarget.h:33
llvm::SystemZTargetMachine::createPassConfig
TargetPassConfig * createPassConfig(PassManagerBase &PM) override
Create a pass configuration object to be used by addPassToEmitX methods for generating a pipeline of ...
Definition: SystemZTargetMachine.cpp:324
SystemZSubtarget.h
llvm::StringRef
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:58
llvm::CodeGenOpt::Level
Level
Definition: CodeGen.h:52
llvm::SystemZTargetMachine::SystemZTargetMachine
SystemZTargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Optional< Reloc::Model > RM, Optional< CodeModel::Model > CM, CodeGenOpt::Level OL, bool JIT)
Definition: SystemZTargetMachine.cpp:162
llvm::LLVMTargetMachine
This class describes a target machine that is implemented with the LLVM target-independent code gener...
Definition: TargetMachine.h:393
CodeGen.h
llvm::SystemZTargetMachine::targetSchedulesPostRAScheduling
bool targetSchedulesPostRAScheduling() const override
True if subtarget inserts the final scheduling pass on its own.
Definition: SystemZTargetMachine.h:53
TargetTransformInfo.h
llvm::legacy::PassManagerBase
PassManagerBase - An abstract interface to allow code to add passes to a pass manager without having ...
Definition: LegacyPassManager.h:39